Home / 684,013.60-1,026,020.40-328,844.80

Finding the Fourth Proportional to 684,013.60, 1,026,020.40 and 328,844.80

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Solution

The fourth proportional to 684,013.60, 1,026,020.40 and 328,844.80 is: 493,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,013.60 : 1,026,020.40 = 328,844.80 : x
  2. Step 2: Convert to fraction form
    684,013.60/1,026,020.40 = 328,844.80/x
  3. Step 3: Cross multiply
    684,013.60x = 1,026,020.40 × 328,844.80
  4. Step 4: Simplify right side
    684,013.60x = 337,401,473,233.92
  5. Step 5: Solve for x
    x = 337,401,473,233.92/684,013.60
  6. Step 6: Final answer
    x = 493,267.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.